Proceedings of International Conference on Hybrid and Organic Photovoltaics (HOPV16)
Publication date: 28th March 2016
Semiconducting perovskite materials have shown highly competitive optical and electronic properties in photovoltaic applications such as solar cells. For solar cell applications studies of both basic materials and films are extremely necessary. In this work, organic-inorganic hybrid perovskite CH3NH3PbI3 -films were fabricated by an ultrasonic-assisted spray method. Synthetized CH3NH3I -material and PbI2 were used as precursors. The films were fabricated by spraying the precursors on surfaces of selected rotating substrates using a heated air flow. The distance to the surface, the rate of the flow and the temperature of the air were optimized. The perovskite films were studied in multilayer configuration where the other layers consisted of titanium dioxide nanoribbons, and a hole blocking layer. Eventually a cell was constructed and tested. The perovskite material was also prepared as powder with a standard solution method for comparison. The materials were characterized using X-ray diffraction, scanning electron microscope (SEM), ellipsometry and X-ray fluorescence spectroscopy (XRF).
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International Conference on Hybrid and Organic Photovoltaics
International Conference on Hybrid and Organic Photovoltaics (HOPV) is celebrated yearly in May. The main topics are the development, function and modeling of materials and devices for hybrid and organic solar cells. The field is now dominated by perovskite solar cells but also other hybrid technologies, as organic solar cells, quantum dot solar cells, and dye-sensitized solar cells and their integration into devices for photoelectrochemical solar fuel production.
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